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8.0 Python: Set Methods

Python has a set of built-in methods that you can use on sets.

MethodShortcutDescription
add()Adds an element to the set
clear()Removes all the elements from the set
copy()Returns a copy of the set
difference()-Returns a set containing the difference between two or more sets
difference_update()-=Removes the items in this set that are also included in another, specified set
discard()Removes the specified item
intersection()&Returns a set that is the intersection of two or more sets
intersection_update()&=Removes the items in this set that are not present in other, specified set(s)
isdisjoint()Returns whether two sets have an intersection or not
issubset()<=Returns True if all items of this set are present in another set
<Returns True if all items of this set are present in another, larger set
issuperset()>=Returns True if all items of another set are present in this set
>Returns True if all items of another, smaller set are present in this set
pop()Removes an element from the set
remove()Removes the specified element
symmetric_difference()^Returns a set with the symmetric differences of two sets
symmetric_difference_update()^=Inserts the symmetric differences from this set and another
union()|Returns a set containing the union of sets
update()|=Updates the set with the union of this set and others